About this app
Zombies invade! The world is falling apart! ...And the hero who rises to fight is— Gramps. -- Ultimate excitement! An exhilarating, zombie-slaying battle! -- Gramps in a wheelchair blasts away zombies with guns and powerful skills! -Level up and get awesome skills! Take down zombies and unlock tons of powerful abilities as you grow! - Collect cat food and escape! Defeat zombies, complete missions, and reach the helipad for your rescue! - Choose an area and start the fight! Church, ghost town, campsite, urban area — the difficulty changes with each stage! Gramps won’t last until nightfall. Collect cat food and escape before the sun goes down!
Latest release
What’s New
Feature Update
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 13, 2026 · 9:50 PM Free
Screenshots
